Input and output devices

A touchscreen displays information (output) like a monitor. It also allows the user to interact with the system by touching the screen, sending signals to the computer (input).

A scanner converts physical documents or images into a digital format that can be stored and processed by a computer.

A microphone converts sound waves into electrical signals, which are then transmitted to a computer for processing or recording. This allows audio input for voice commands or recording audio files.

A digital camera captures images or videos and converts them into digital data that can be stored and transferred to a computer. This allows users to upload photos or videos.

Sensors detect and measure physical quantities (e.g., temperature, light, pressure) and convert them into electrical signals that a computer can interpret.

A printer produces hard copies of digital documents or images. Different types include inkjet printers (spraying ink), laser printers (using toner), and 3D printers (creating three-dimensional objects).

Speakers convert electrical signals from a computer into audible sound waves, allowing users to hear audio output, such as music, speech, or system sounds.

An actuator is an output device that converts an electrical signal into a physical action or movement.